749887260805 has 8 divisors (see below), whose sum is σ = 924185381112. Its totient is φ = 583696029888.

The previous prime is 749887260769. The next prime is 749887260833. The reversal of 749887260805 is 508062788947.

It can be written as a sum of positive squares in 4 ways, for example, as 287348530401 + 462538730404 = 536049^2 + 680102^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 749887260805 - 2¹³ = 749887252613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2026722142 + ... + 2026722511.

It is an arithmetic number, because the mean of its divisors is an integer number (115523172639).

Almost surely, 2^749887260805 is an apocalyptic number.

It is an amenable number.

749887260805 is a deficient number, since it is larger than the sum of its proper divisors (174298120307).

749887260805 is a wasteful number, since it uses less digits than its factorization.

749887260805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4053444695.

The product of its (nonzero) digits is 54190080, while the sum is 64.

The spelling of 749887260805 in words is "seven hundred forty-nine billion, eight hundred eighty-seven million, two hundred sixty thousand, eight hundred five".